Catalytic fume incineration

Details Catalytic fume incineration Catalytic fume incineration

1980-12-11

1982-05-18

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Organic component

423210, 423240, 252411R, 252465, 422139, 422145, 422177, B01D 5336

Patent

active

043305130

ABSTRACT:
Industrial fumes or waste gases containing combustible noxious materials are preheated and passed upwardly through a bed of particulate oxidation catalyst comprising chromic oxide on alumina or other suitable inert support. Catalytic combustion of the combustible materials is effected, and the pollutant-free gas is discharged to the atmosphere. The particle size of the catalyst is relatively coarse, and the gas velocity is sufficient to agitate or fluidize the bed. The hardness of the catalyst is such that only limited attrition occurs, which assists in keeping the catalyst surface clean, and the catalyst loss in the effluent gas is less than one pound per million standard cubic feet of gas treated.

REFERENCES:
patent: 2605234 (1952-07-01), Friedman
patent: 2620314 (1952-12-01), Hockstra
patent: 2746936 (1956-05-01), Plank
patent: 2747976 (1956-05-01), Houdry
patent: 3086839 (1963-05-01), Bloch
patent: 3190840 (1965-06-01), Biais et al.

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